Kolkata: City air quality changed ‘poor’ on Saturday morning, hours after revelers burst firecrackers to call in 2022, said a Western Western official Pollution Control (WBPCB) said.
Kolkata awakened to the gray sky as emissions from firecrackers, coupled with winter smoke fog, added to the level of pollution, he said.
At Ballygunge monitoring stations, the air quality index (AQI) was recorded at 237 around 11am, while those at Rabindra Bharati University recorded 239.
Likewise, in Fort William, Aqi Clock 179 during the hour, and in Jadavpur was 187.
Aqi Between zeros and 50 are considered ‘good’, 51 and 100 ‘satisfying’, 101 and 200 ‘moderate’, 201 and 300 ‘poor’, 301 and 400 ‘very poor’, and 401 and 500 ”.
“We asked people to avoid exploding firecrackers and go for low celebrations with Covid-19 situation.
However, it is impossible to examine every alley in the city,” said the official.
The day ago, Aqi floated between 102 and 150 in South Kolkata and around 180 in North Kolkata.